import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86131
 * Date: 2024-02-20
 * Time: 15:30
 */
public class Main {

    public static User login() {
        System.out.println("请输入你的姓名: ");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        System.out.println("请输入你的身份: 1.管理员  2.普通用户");
        int choice = scanner.nextInt();
        if (choice == 1) {
            return new AdminUser(name);
        }else {
            return new NormalUser(name);
        }
    }
    public static void main(String[] args) {

        BookList bookList = new BookList();
        User user = login();   //此时的user指向的是管理员对象还是普通用户对象是不知道的
        while (true) {
            int choice = user.menu();   //发生动态绑定
            //根据菜单返回的choice来执行对应的操作
            user.doOperation(choice,bookList);
        }
    }
}
